/*
 * This file is part of "JTA - Telnet/SSH for the JAVA(tm) platform".
 *
 * (c) Matthias L. Jugel, Marcus Meißner 1996-2005. All Rights Reserved.
 *
 * Please visit http://javatelnet.org/ for updates and contact.
 *
 * --LICENSE NOTICE--
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 * --LICENSE NOTICE--
 *
 */
package de.mud.jta.event;

import de.mud.jta.PluginMessage;
import de.mud.jta.PluginListener;
import de.mud.jta.event.SocketListener;

/**
 * Notification of a socket request. Send this message if the system should
 * connect or disconnect.
 * <P>
 * <B>Maintainer:</B> Matthias L. Jugel
 * 
 * @version $Id: SocketRequest.java 499 2005-09-29 08:24:54Z leo $
 * @author Matthias L. Jugel, Marcus Mei�ner
 */
public class SocketRequest implements PluginMessage
{
    String host;
    int port;

    /** Create a new disconnect message */
    public SocketRequest()
    {
	host = null;
    }

    /** Create a new connect message */
    public SocketRequest(String host, int port)
    {
	this.host = host;
	this.port = port;
    }

    /**
     * Tell all listeners that we would like to connect.
     * 
     * @param pl
     *            the list of plugin message listeners
     * @return the terminal type or null
     */
    public Object firePluginMessage(PluginListener pl)
    {
	if (pl instanceof SocketListener)
	    try
	    {
		if (host != null)
		    ((SocketListener) pl).connect(host, port);
		else
		    ((SocketListener) pl).disconnect();
	    }
	    catch (Exception e)
	    {
		e.printStackTrace();
	    }
	return null;
    }
}
